1. Blue Whale
Blue whales are the largest animals known at present. They can reach 30 meters in length and weigh 173 tons. The blue whale is a kind of whale, which lives in the global ocean. Blue whales are carnivores, feeding on small invertebrates and fish.
2. Giant octopus
The giant octopus is the largest invertebrate in the ocean, with a body length of10-12m and a weight of 750kg. They live in the deep sea and are usually found at depths over 1000 meters. Giant octopus is a carnivore, feeding on fish and other octopus.
3.long-tailed whale
Long-tailed whales are cetaceans, which can reach 18 meters in length and weigh 36 tons. Long-tailed whales live in the oceans of the world and are common species in temperate and polar waters. Long-tailed whales are carnivores, feeding on fish and cephalopods.
4. great white shark
Great white shark is a carnivorous fish and one of the largest sharks in the world. They can reach 6 meters in length and weigh 2 tons. Great white sharks live in the oceans of the world and feed on seals, sea lions and other fish.
5.giant sea snake
The giant sea snake is a poisonous snake, which lives in tropical and subtropical waters around the world. They can reach 9 meters in length and are the longest snakes in the world. Giant sea snakes are carnivores and feed on fish.
6. Walrus
Walrus is a kind of marine mammal, which lives in the arctic and subarctic oceans. They can weigh up to 2 tons and are one of the heaviest marine mammals in the world. Walruses are carnivores, feeding on shellfish and other marine life.
7.turtles
Turtle is a reptile that lives in the global ocean. They can be up to 2 meters in length and 900 kilograms in weight. Turtles are herbivores, feeding on seaweed and other plants.
8.giant sea snail
Giant sea snail is a kind of marine gastropod, which lives in tropical and subtropical waters around the world. Their body length can reach 60 cm and their weight can reach 18 kg. Giant sea snails are herbivores and feed on seaweed.
9.giant whale shark
The giant whale shark is a kind of shark that lives in the oceans of the world. They can be as long as 12 meters and weigh 15 tons. Giant whale sharks are carnivores, feeding on fish and other sharks.
10. Giant sea crab
Giant sea crab is a crustacean, which lives in the global ocean. They can reach 4 meters in length and weigh 20 kilograms. Giant sea crabs are carnivores and feed on other marine life.